This is a cavity wall lintel from Keystone Lintels Ltd, designed for use in standard duty applications. Manufactured from galvanised steel, it is suitable for longer masonry openings, with a length of 3150mm and compatible with a cavity width of 50–65mm.
Typically installed to support masonry above wall openings such as doors and windows, this lintel can be used in both new build and renovation work on site. Its design accommodates an inner leaf of 100mm and an outer leaf between 125mm and 150mm, making it suitable for a range of cavity wall constructions.
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